CVE-2025-21593 — Improper Control of a Resource Through its Lifetime in Networks Junos OS
Severity
7.1HIGHNVD
EPSS
0.1%
top 74.03%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJan 9
Description
An Improper Control of a Resource Through its Lifetime vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker to cause a Denial-of-Service (DoS).
On devices with SRv6 (Segment Routing over IPv6) enabled, an attacker can send a malformed BGP UPDATE packet which will cause the rpd to crash and restart. Continued receipt of these UPDATE packets will cause a sustained DoS condition.
This issue affects iB…
CVSS vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected Packages4 packages
🔴Vulnerability Details
2CVEList▶
Junos OS and Junos OS Evolved: On SRv6 enabled devices, an attacker sending a malformed BGP update can cause the rpd to crash↗2025-01-09
GHSA▶
GHSA-3wvw-m4vx-cj7h: An Improper Control of a Resource Through its Lifetime vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Ev↗2025-01-09
📋Vendor Advisories
1Juniper▶
CVE-2025-21593: An Improper Control of a Resource Through its Lifetime vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Ev↗2025-01-09